Use of real-world data to study health services utilisation and comorbidities in long-term breast cancer survivors (the SURBCAN study): study protocol for a longitudinal population-based cohort study

Jansana, A; Del Cura, I; Prados-Torres, A; Cuesta, TS; Poblador-Plou, B; Miguel, AG; Lanzuela, M; Ibanez, B; Tamayo, I; Moreno-Iribas, C; Padilla-Ruiz, M; Redondo, M; Comas, M; Domingo, L; Diaz-Holgado, A; Salamanca, FJ; Castells, X; Sala, M – 2020